/*
 *  compression/DecompressorZIP.cpp
 *
 *  Copyright 2009 Peter Barth
 *
 *  This file is part of Milkytracker.
 *
 *  Milkytracker is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Milkytracker is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Milkytracker.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 *  DecompressorZIP.cpp
 *  milkytracker_universal
 *
 *  Created by Peter Barth on 22.06.08.
 *
 */

#include "DecompressorZIP.h"
#include "XMFile.h"
#include "ZipExtractor.h"

// -- ZIP --------------------------------------------------------------------
DecompressorZIP::DecompressorZIP (const PPSystemString& filename) :
    DecompressorBase(filename)
{
}

bool DecompressorZIP::identify(XMFile& f)
{
    const PPSystemString filename(f.getFileName());
    PPSystemString ext = filename.getExtension();

    if ((ext.compareToNoCase(".ZIP") != 0) &&
        (ext.compareToNoCase(".MDZ") != 0))
        return false;

    ZipExtractor extractor(filename);

    pp_int32 error = 0;
    bool res = extractor.parseZip(error, false, NULL);
    return (res && error == 0);
}

const PPSimpleVector<Descriptor>& DecompressorZIP::getDescriptors(Hints hint) const
{
    descriptors.clear();
    descriptors.add(new Descriptor("zip", "ZIP Archive"));

    if (hint == HintModules || hint == HintAll)
        descriptors.add(new Descriptor("mdz", "Zipped Module"));

    return descriptors;
}

bool DecompressorZIP::decompress(const PPSystemString& outFilename, Hints hint)
{
    ZipExtractor extractor(fileName);

    pp_int32 error = 0;
    bool res = extractor.parseZip(error, true, &outFilename);
    return (res && error == 0);
}

DecompressorBase* DecompressorZIP::clone()
{
    return new DecompressorZIP(fileName);
}

static Decompressor::RegisterDecompressor<DecompressorZIP>registerDecompressor;